Methoxychlor

• Formula: C₁₆H₁₅Cl₃O₂
• Molecular weight: 345.648
• IUPAC Standard InChI: InChI=1S/C16H15Cl3O2/c1-20-13-7-3-11(4-8-13)15(16(17,18)19)12-5-9-14(21-2)10-6-12/h3-10,15H,1-2H3 Copy

  
• IUPAC Standard InChIKey: IAKOZHOLGAGEJT-UHFFFAOYSA-N Copy
• CAS Registry Number: 72-43-5
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: p,p'-Methoxychlor; Benzene, 1,1'-(2,2,2-trichloroethylidene)bis[4-methoxy-; Ethane, 1,1,1-trichloro-2,2-bis(p-methoxyphenyl)-; p,p'-(Dimethoxydiphenyl)trichloroethane; p,p'-DMDT; Di(p-methoxyphenyl)trichloromethyl methane; Dimethoxy-DDT; Dimethoxy-dt; DMDT; Marlate; Methoxy-DDT; Metox; 1,1-Bis(p-methoxyphenyl)-2,2,2-trichloroethane; 1,1,1-Trichloro-2,2-bis(p-methoxyphenyl)ethane; 1,1,1-Trichloro-2,2-di(4-methoxyphenyl)ethane; 2,2-Bis(p-methoxyphenyl)-1,1,1-trichloroethane; Ethane, 2,2-bis(p-anisyl)-1,1,1-trichloro-; ENT 1,716; Maralate; Methoxcide; Metoksychlor; MeOCl; Moxie; NCI-C00497; 1,1,1-Trichloro-2,2-bis(p-anisyl)ethane; 1,1'-(2,2,2-Trichloroethylidene)bis(4-methoxybenzene); 2,2-Bis(p-anisyl)-1,1,1-trichloroethane; 2,2-Di(p-anisyl)-1,1,1-trichloroethane; 2,2-Di(p-methoxyphenyl)-1,1,1-trichloroethane; Chemform; Dianisyltrichlorethane; Double-M ec; p,p'-Dwumetoksydwufenylotrojchloroetan; Flo pro mcseed protectant; Methoxychlore; Methoxychlor 2 EC; Mezox K; OMS 466; RCRA Waste number U247; 1,1,1-Trichlor-2,2-bis(4-methoxy-phenyl)-aethan; 1,1,1-Trichloro-2,2-bis(4-methoxyphenyl)ethane; 2,2,2-Trichloro-1,1-bis(4-methoxyphenyl)ethane; 4,4-(2,2,2-Trichloroethylidene)dianisole; Benzene, 1,1'-(2,2,2-trichloroethylidene)bis*4-methoxy-; pMethoxychlor; 2,2-Bis (p-methoxyphenol)-1,1,1-trichloroethane; Higalmetox; Mesox K
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• Information on this page:
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
  • References
  • Notes
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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of fusion

IR Spectrum

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

Mass spectrum (electron ionization)

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

UV/Visible spectrum

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

Gas Chromatography

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Kovats' RI, non-polar column, custom temperature program

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Donnelly, Drewes, et al., 1990
Donnelly, J.R.; Drewes, L.A.; Johnson, R.L.; Munslow, W.D.; Knapp, K.K.; Sovocool, G.W., Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry, Thermochim. Acta, 1990, 167, 2, 155, https://doi.org/10.1016/0040-6031(90)80476-F . [all data]

Plato and Glasgow, 1969
Plato, C.; Glasgow, A.R., Jr., Differential scanning calorimetry as a general method for determining the purity and heat of fusion of high-purity organic chemicals. Application to 95 compounds, Anal. Chem., 1969, 41, 2, 330, https://doi.org/10.1021/ac60271a041 . [all data]

Donnelly, Drewes, et al., 1990, 2
Donnelly, J.R.; Drewes, L.A.; Johnson, R.L.; Munslow, W.D.; Knapp, K.K.; Sovocool, G.W., Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry, Thermochimica Acta, 1990, 167, 2, 155-187, https://doi.org/10.1016/0040-6031(90)80476-F . [all data]

Liu, et al., 1972
Liu, H.J., et al., Can. J. Chem., 1972, 50, 55. [all data]

Erdmann, Rochholz, et al., 1992
Erdmann, F.; Rochholz, G.; Schütz, H., Retention-indices on OV-1 of approximately 170 commonly used pesticides, Mikrochim. Acta, 1992, 106, 3-6, 219-226, https://doi.org/10.1007/BF01242093 . [all data]

Dubsky, Hána, et al., 1979
Dubsky, H.; Hána, K.; Komárková, M.; Rittich, B., Stanoveni residui chlórovanych pesticidu plynovou chromatografii, Vet. Med. (Prague), 1979, 24, 3, 493-498. [all data]

Ramsey, Lee, et al., 1980
Ramsey, J.D.; Lee, T.D.; Osselton, M.D.; Moffat, A.C., Gas-liquid chromatographic retention indices of 296 non-drug substances on SE-30 or OV-1 likely to be encountered in toxicological analyses, J. Chromatogr., 1980, 184, 2, 185-206, https://doi.org/10.1016/S0021-9673(00)85641-1 . [all data]

Gautzsch and Zinn, 1996
Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946 . [all data]

Marozzi, Gambaro, et al., 1982
Marozzi, E.; Gambaro, V.; Saligari, E.; Mariani, R.; Lodi, F., Use of the retention index in gas chromatographic studies of drugs, J. Anal. Toxicol., 1982, 6, 4, 185-192, https://doi.org/10.1093/jat/6.4.185 . [all data]

Department of Food Safety and Welfare, 2006
Department of Food Safety, Ministry of Health; Welfare, Analytical methods for residual compositional substances of agricultural chemicals, feed aadditives, and veterinary drugs in foods, 2006, retrieved from http://www.mhlw.go.jp/english/topics/foodsafety/positivelist060228/de/060526-1a.pdf. [all data]

Tameo and Kiyos, 1991
Tameo, O.; Kiyos, I., Simultaneous determination of pesticides by capillary gas chromatography, Cannot be traslated (in Japan), 1991, 14, 2, 109-122. [all data]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]

Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1 . [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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